扑救易燃易爆物品、油罐、气柜和大面积易燃建筑区等火灾时，()要选择便于迅速撤离的位置。
（A）消防车
（B）战斗员
（C）指挥员
（D）班长
参考答案：A
指出排列顺序正确的选项，使所给语句成为一段文理通顺的对话。
1. ① Sorry. ② Are you Yang Jun? ③ No. I'm Li Xiong. [ ]
A. ①②③
B. ②①③
C. ②③①
D. ③②①
2. ① Are you Mr Li? ② Oh, good! I'm Ma Yong. ③ Yes, I am. [ ]
A. ①③②
3. ① Over there, in the tree. ② Where? ③ What's that over there? ④ Oh, it's a kite. [ ]
A. ①②③④
B. ②①③④
C. ③②①④
D. ③④②①
4. ① Thanks. ② Let me see. Oh, it's mine. ③ Whose pen is this? ④ Here it is. [ ]
B. ②①④③
C. ④②③①
D. ③②④①
5. ① Who's Joan? ② Oh, this is my cat, Miaomiao. ③ She's my classmate. She's English.
④ Hello, Miaomiao! You look like Joan's hat. [ ]
B. ②④①③
C. ②③①④
D. ③②①④
通过被测对象热量的热辐射或对流传到测温元件上的温度计有( )。
A．压力温度计
B．辐射高温计
C．光学高温计
D．比色高温计
E．红外高温计
